Airman 1st Class Mariana Salazar, an aerospace propulsion Airman assigned to the 509th Maintenance Squadron jet propulsion flight, trains to perform maintenance on an F-118 engine on July 9, 2019, at Whiteman Air Force Base, Missouri. Salazar and other members of her flight run diagnostic tests and perform regular maintenance on F-118 engines on a daily basis to ensure the readiness of the B-2 Spirit fleet at Whiteman AFB. The jet propulsion flight achieved the highest readiness rate across the active-duty Air Force. (U.S. Air Force photo by Staff Sgt. Kayla White)